Finding the Third Proportional to 123,244 and 265,712

Step by Step Solution

1. Step 1: Write the proportion equation
   123,244 : 265,712 = 265,712 : x
2. Step 2: Convert to fraction form
   123,244/265,712 = 265,712/x
3. Step 3: Cross multiply
   123,244x = 265,712 × 265,712
4. Step 4: Simplify right side
   123,244x = 70,602,866,944
5. Step 5: Solve for x
   x = 70,602,866,944/123,244
6. Step 6: Final answer
   x = 572,870.62